./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:47:44,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:47:44,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:47:44,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:47:44,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:47:45,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:47:45,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:47:45,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:47:45,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:47:45,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:47:45,042 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:47:45,044 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:47:45,044 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:47:45,047 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:47:45,047 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:47:45,048 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:47:45,048 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:47:45,049 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:47:45,049 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:47:45,050 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:47:45,050 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:47:45,051 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:47:45,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:47:45,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:47:45,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:47:45,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:47:45,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:47:45,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:47:45,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:47:45,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:47:45,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:47:45,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:47:45,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:47:45,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:47:45,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:47:45,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:47:45,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:47:45,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:45,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:47:45,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:47:45,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:47:45,062 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:47:45,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:47:45,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:47:45,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:47:45,064 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:47:45,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:47:45,064 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2023-11-21 19:47:45,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:47:45,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:47:45,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:47:45,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:47:45,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:47:45,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-11-21 19:47:49,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:47:49,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:47:49,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-11-21 19:47:49,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/b0c76a801/0a96926ac893488b9852988e63e9af8a/FLAGd327fc1c9 [2023-11-21 19:47:49,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/b0c76a801/0a96926ac893488b9852988e63e9af8a [2023-11-21 19:47:49,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:47:49,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:47:49,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:49,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:47:49,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:47:49,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:49,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c46f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49, skipping insertion in model container [2023-11-21 19:47:49,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:49,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:47:49,756 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-11-21 19:47:49,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:49,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:47:49,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-11-21 19:47:49,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:49,935 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:47:49,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49 WrapperNode [2023-11-21 19:47:49,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:49,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:49,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:47:49,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:47:49,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:49,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,022 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-11-21 19:47:50,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:50,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:47:50,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:47:50,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:47:50,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:47:50,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:47:50,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:47:50,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:47:50,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (1/1) ... [2023-11-21 19:47:50,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:47:50,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:47:50,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:47:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:47:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:47:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:47:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:47:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:47:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:47:50,281 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:47:50,284 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:47:50,530 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:47:50,753 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:47:50,753 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:47:50,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:50 BoogieIcfgContainer [2023-11-21 19:47:50,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:47:50,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:47:50,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:47:50,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:47:50,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:47:49" (1/3) ... [2023-11-21 19:47:50,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa3f1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:47:50, skipping insertion in model container [2023-11-21 19:47:50,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:49" (2/3) ... [2023-11-21 19:47:50,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa3f1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:47:50, skipping insertion in model container [2023-11-21 19:47:50,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:50" (3/3) ... [2023-11-21 19:47:50,769 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-87.i [2023-11-21 19:47:50,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:47:50,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:47:50,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:47:50,863 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a54164a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:47:50,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:47:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 19:47:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 19:47:50,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:47:50,879 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:47:50,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:47:50,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:47:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1543907986, now seen corresponding path program 1 times [2023-11-21 19:47:50,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:47:50,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340099535] [2023-11-21 19:47:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:47:50,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:47:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:47:51,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:47:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:47:51,547 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:47:51,549 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:47:51,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:47:51,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:47:51,561 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:47:51,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:47:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:47:51 BoogieIcfgContainer [2023-11-21 19:47:51,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:47:51,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:47:51,669 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:47:51,670 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:47:51,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:47:50" (3/4) ... [2023-11-21 19:47:51,677 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:47:51,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:47:51,682 INFO L158 Benchmark]: Toolchain (without parser) took 2222.35ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 77.0MB in the beginning and 96.1MB in the end (delta: -19.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,682 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:47:51,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.39ms. Allocated memory is still 123.7MB. Free memory was 77.0MB in the beginning and 65.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.35ms. Allocated memory is still 123.7MB. Free memory was 65.8MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,688 INFO L158 Benchmark]: Boogie Preprocessor took 55.72ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,694 INFO L158 Benchmark]: RCFGBuilder took 675.28ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 123.4MB in the end (delta: -60.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,696 INFO L158 Benchmark]: TraceAbstraction took 904.50ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 97.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,698 INFO L158 Benchmark]: Witness Printer took 10.47ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 96.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:47:51,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.39ms. Allocated memory is still 123.7MB. Free memory was 77.0MB in the beginning and 65.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.35ms. Allocated memory is still 123.7MB. Free memory was 65.8MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.72ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.28ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 123.4MB in the end (delta: -60.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 904.50ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 97.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 10.47ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 96.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_3 = 64; [L24] signed long int var_1_4 = 5; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 0; [L29] float var_1_9 = 256.75; [L30] float var_1_10 = 99.2; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L46] var_1_3 = __VERIFIER_nondet_ushort() [L47] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L49] var_1_4 = __VERIFIER_nondet_long() [L50] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L52] var_1_5 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L55] var_1_6 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L58] var_1_7 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L60] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=517, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=517, var_1_1=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L75] RET updateVariables() [L76] CALL step() [L34] var_1_8 = var_1_3 [L35] var_1_9 = var_1_10 [L36] signed long int stepLocal_0 = 10 - var_1_4; [L37] COND TRUE (var_1_8 + var_1_8) > stepLocal_0 [L38] var_1_1 = var_1_5 [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return ((((var_1_8 + var_1_8) > (10 - var_1_4)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : 1)) && (var_1_8 == ((unsigned long int) var_1_3))) && (var_1_9 == ((float) var_1_10)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=517, var_1_1=1, var_1_3=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=517] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=517, var_1_1=1, var_1_3=1, var_1_4=9, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=517] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 19:47:51,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:47:54,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:47:55,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:47:55,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:47:55,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:47:55,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:47:55,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:47:55,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:47:55,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:47:55,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:47:55,182 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:47:55,183 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:47:55,183 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:47:55,185 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:47:55,186 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:47:55,186 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:47:55,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:47:55,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:47:55,189 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:47:55,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:47:55,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:47:55,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:47:55,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:47:55,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:47:55,194 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:47:55,194 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:47:55,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:47:55,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:47:55,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:47:55,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:47:55,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:47:55,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:47:55,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:47:55,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:47:55,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:55,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:47:55,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:47:55,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:47:55,201 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:47:55,202 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:47:55,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:47:55,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:47:55,203 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:47:55,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:47:55,204 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2023-11-21 19:47:55,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:47:55,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:47:55,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:47:55,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:47:55,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:47:55,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-11-21 19:47:59,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:47:59,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:47:59,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-11-21 19:47:59,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/079fdf0e8/56b0c604fbc14ad487b6ece537981c01/FLAG4e69bb201 [2023-11-21 19:47:59,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/data/079fdf0e8/56b0c604fbc14ad487b6ece537981c01 [2023-11-21 19:47:59,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:47:59,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:47:59,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:59,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:47:59,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:47:59,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e686d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59, skipping insertion in model container [2023-11-21 19:47:59,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:48:00,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:48:00,203 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-11-21 19:48:00,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:48:00,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:48:00,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-11-21 19:48:00,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:48:00,416 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:48:00,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00 WrapperNode [2023-11-21 19:48:00,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:48:00,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:48:00,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:48:00,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:48:00,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,509 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-21 19:48:00,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:48:00,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:48:00,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:48:00,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:48:00,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:48:00,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:48:00,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:48:00,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:48:00,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (1/1) ... [2023-11-21 19:48:00,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:48:00,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:48:00,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:48:00,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:48:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:48:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:48:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:48:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:48:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:48:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:48:00,860 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:48:00,866 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:48:01,186 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:48:01,381 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:48:01,382 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:48:01,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:01 BoogieIcfgContainer [2023-11-21 19:48:01,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:48:01,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:48:01,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:48:01,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:48:01,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:47:59" (1/3) ... [2023-11-21 19:48:01,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e09866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:48:01, skipping insertion in model container [2023-11-21 19:48:01,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:00" (2/3) ... [2023-11-21 19:48:01,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e09866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:48:01, skipping insertion in model container [2023-11-21 19:48:01,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:01" (3/3) ... [2023-11-21 19:48:01,404 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-87.i [2023-11-21 19:48:01,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:48:01,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:48:01,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:48:01,539 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68b2aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:48:01,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:48:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 19:48:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 19:48:01,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:01,563 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:48:01,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:48:01,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1543907986, now seen corresponding path program 1 times [2023-11-21 19:48:01,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:48:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245596149] [2023-11-21 19:48:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:01,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:48:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:48:01,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 19:48:01,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 19:48:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:01,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 19:48:01,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:48:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 64 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-21 19:48:05,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 19:48:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-21 19:48:07,699 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-21 19:48:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245596149] [2023-11-21 19:48:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245596149] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-21 19:48:07,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 19:48:07,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-11-21 19:48:07,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060366739] [2023-11-21 19:48:07,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:07,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 19:48:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-21 19:48:07,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 19:48:07,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-21 19:48:07,741 INFO L87 Difference]: Start difference. First operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-21 19:48:07,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:07,911 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2023-11-21 19:48:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:48:07,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 43 [2023-11-21 19:48:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:07,921 INFO L225 Difference]: With dead ends: 50 [2023-11-21 19:48:07,922 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:48:07,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-21 19:48:07,930 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 38 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:07,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:48:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:48:07,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:48:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:48:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:48:07,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2023-11-21 19:48:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:07,962 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:48:07,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-21 19:48:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:48:07,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:48:07,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:48:07,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:48:08,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:48:08,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:48:08,220 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-21 19:48:08,221 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,221 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,222 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 19:48:08,223 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 19:48:08,223 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-21 19:48:08,223 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 19:48:08,223 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 73 79) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,225 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-21 19:48:08,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 19:48:08,225 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,226 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:48:08,226 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2023-11-21 19:48:08,226 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 45 63) no Hoare annotation was computed. [2023-11-21 19:48:08,227 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-21 19:48:08,227 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,228 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,228 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:48:08,228 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,234 INFO L895 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,234 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-21 19:48:08,234 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,235 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (fp.eq ~var_1_10~0 ~var_1_10~0) [2023-11-21 19:48:08,235 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 19:48:08,235 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 19:48:08,239 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:48:08,242 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:48:08,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-21 19:48:08,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:48:08 BoogieIcfgContainer [2023-11-21 19:48:08,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:48:08,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:48:08,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:48:08,255 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:48:08,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:01" (3/4) ... [2023-11-21 19:48:08,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:48:08,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 19:48:08,270 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 19:48:08,271 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 19:48:08,271 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:48:08,272 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:48:08,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:48:08,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:48:08,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:48:08,404 INFO L158 Benchmark]: Toolchain (without parser) took 8450.39ms. Allocated memory was 62.9MB in the beginning and 213.9MB in the end (delta: 151.0MB). Free memory was 38.7MB in the beginning and 102.3MB in the end (delta: -63.6MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,404 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:48:08,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.60ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 67.1MB in the end (delta: -28.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.12ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,406 INFO L158 Benchmark]: Boogie Preprocessor took 86.48ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:48:08,406 INFO L158 Benchmark]: RCFGBuilder took 785.41ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 45.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,407 INFO L158 Benchmark]: TraceAbstraction took 6862.97ms. Allocated memory was 88.1MB in the beginning and 213.9MB in the end (delta: 125.8MB). Free memory was 44.9MB in the beginning and 107.6MB in the end (delta: -62.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,408 INFO L158 Benchmark]: Witness Printer took 148.58ms. Allocated memory is still 213.9MB. Free memory was 107.6MB in the beginning and 102.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:48:08,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.60ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 67.1MB in the end (delta: -28.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.12ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.48ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 785.41ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 45.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6862.97ms. Allocated memory was 88.1MB in the beginning and 213.9MB in the end (delta: 125.8MB). Free memory was 44.9MB in the beginning and 107.6MB in the end (delta: -62.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 148.58ms. Allocated memory is still 213.9MB. Free memory was 107.6MB in the beginning and 102.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 27 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 34 PreInvPairs, 46 NumberOfFragments, 35 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 21 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 215/220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 19:48:08,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e19f10-8dff-47a7-bca5-810ca0b85f9b/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE